{"id":"RLSA-2026:36199","summary":"Important: buildah security update","details":"The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a working container, either from scratch or using an image as a starting point; Create an image, either from a working container or using the instructions in a Dockerfile; Build both Docker and OCI images. \n\nSecurity Fix(es):\n\n* golang.org/x/crypto/ssh: golang: golang.org/x/crypto/ssh: Denial of Service via crafted SSH certificate (CVE-2026-39835)\n\n* golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted public key with excessive parameters (CVE-2026-39829)\n\n* golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via resource leak from unsolicited SSH responses (CVE-2026-39830)\n\n* golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions (CVE-2026-39832)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-07-08T12:30:05.821243626Z","published":"2026-07-08T12:06:21.540749Z","upstream":["CVE-2026-39829","CVE-2026-39830","CVE-2026-39832","CVE-2026-39835"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:36199"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2480684"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2480681"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2480685"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2480680"}],"affected":[{"package":{"name":"buildah","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/buildah?distro=rocky-linux-10&epoch=2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.43.1-3.el10_2"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:36199.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}